xref: /freebsd/contrib/ncurses/menu/m_pad.c (revision 1669d8afc64812c8d2d1d147ae1fd42ff441e1b1)
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28 
29 /****************************************************************************
30  *   Author:  Juergen Pfeifer, 1995,1997                                    *
31  ****************************************************************************/
32 
33 /***************************************************************************
34 * Module m_pad                                                             *
35 * Control menus padding character                                          *
36 ***************************************************************************/
37 
38 #include "menu.priv.h"
39 
40 MODULE_ID("$Id: m_pad.c,v 1.10 2004/12/25 21:40:58 tom Exp $")
41 
42 /* Macro to redraw menu if it is posted and changed */
43 #define Refresh_Menu(menu) \
44    if ( (menu) && ((menu)->status & _POSTED) )\
45    {\
46       _nc_Draw_Menu( menu );\
47       _nc_Show_Menu( menu );\
48    }
49 
50 /*---------------------------------------------------------------------------
51 |   Facility      :  libnmenu
52 |   Function      :  int set_menu_pad(MENU *menu, int pad)
53 |
54 |   Description   :  Set the character to be used to separate the item name
55 |                    from its description. This must be a printable
56 |                    character.
57 |
58 |   Return Values :  E_OK              - success
59 |                    E_BAD_ARGUMENT    - an invalid value has been passed
60 +--------------------------------------------------------------------------*/
61 NCURSES_EXPORT(int)
62 set_menu_pad(MENU * menu, int pad)
63 {
64   bool do_refresh = (menu != (MENU *) 0);
65 
66   T((T_CALLED("set_menu_pad(%p,%d)"), menu, pad));
67 
68   if (!isprint(UChar(pad)))
69     RETURN(E_BAD_ARGUMENT);
70 
71   Normalize_Menu(menu);
72   menu->pad = pad;
73 
74   if (do_refresh)
75     Refresh_Menu(menu);
76 
77   RETURN(E_OK);
78 }
79 
80 /*---------------------------------------------------------------------------
81 |   Facility      :  libnmenu
82 |   Function      :  int menu_pad(const MENU *menu)
83 |
84 |   Description   :  Return the value of the padding character
85 |
86 |   Return Values :  The pad character
87 +--------------------------------------------------------------------------*/
88 NCURSES_EXPORT(int)
89 menu_pad(const MENU * menu)
90 {
91   T((T_CALLED("menu_pad(%p)"), menu));
92   returnCode(Normalize_Menu(menu)->pad);
93 }
94 
95 /* m_pad.c ends here */
96